This porcelain mug, with the effigy of Professor Calculus, is part of the 'Characters' series. The drawing, with a dark green line, is taken from a box of the Seven Crystal Balls. Calculus, after greeting his friends, returns to his research. This porcelain mug has a wide curved handle and is ideal for all hot drinks. The mug is dishwasher and microwave safe. Each mug is presented in an attractive cardboard box. Material: Porcelain Certificate: No Numbered edition: No L x w x h (cm): 8.00 x 9.50 x 11.00 Weight: 290g